drm: Add support for Intel i965G chipsets.

This is a patch prepared by Guangdeng Liao based off of Tungsten Graphics's
final code drop.

From: Alan Hourihane <alanh@tungstengraphics.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h
index 5aa3e0e..6af83e6 100644
--- a/drivers/char/drm/i915_drm.h
+++ b/drivers/char/drm/i915_drm.h
@@ -98,6 +98,12 @@
 	int rotated_size;
 	int rotated_pitch;
 	int virtualX, virtualY;
+
+	unsigned int front_tiled;
+	unsigned int back_tiled;
+	unsigned int depth_tiled;
+	unsigned int rotated_tiled;
+	unsigned int rotated2_tiled;
 } drm_i915_sarea_t;
 
 /* Flags for perf_boxes